ARC: Globally replace EM_ARCOMPACT2 with EM_ARCV2

include/

	* elf/common.h: Replaced EM_ARCOMPACT2 with EM_ARCV2

binutils/
	* readelf.c : Globally replaced EM_ARCOMPACT2 with EM_ARCV2.
	(get_machine_flags) Changed strings to "ARCv2"
	(get_machine_name) likewise

bfd/
	* elf32-arc.c: Replaced EM_ARCOMPACT2 with EM_ARCV2

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Simon Cook <simon.cook@embecosm.com>
Cc: Francois Bedard <Francois.Bedard@synopsys.com>
Cc: jeremy.bennett@embecosm.com <jeremy.bennett@embecosm.com>
Cc: Anton Kolesov <Anton.Kolesov@synopsys.com>
Cc: Mischa Jonker <Mischa.Jonker@synopsys.com>
Cc: Claudiu Zissulescu <Claudiu.Zissulescu@synopsys.com>